We use a ton of booth. I really enjoy coding in Groovy but wouldn't want to write everything in a dynamic language. That is what is great about Java and the JVM

We use a ton of booth. I really enjoy coding in Groovy but wouldn't want to write everything in a dynamic language. That is what is great about Java and the JVM. You can easily switch to and integrate with other system components written in a static language like Java or Scala. With Rails this is more difficult.